$.fn.qtip.styles['defaults'].background=undefined;
$.fn.qtip.styles['defaults'].color=undefined;
$.fn.qtip.styles['defaults'].tip.background=undefined;
$.fn.qtip.styles['defaults'].title.background=undefined;
$.fn.qtip.styles['defaults'].title.fontWeight = undefined;

$.fn.qtip.styles.themeroller = {
   border: {
       width: 5,
       radius: 3
   },
   classes: {
       tooltip: 'ui-widget ui-corner-all',
       tip: 'ui-widget',
       title: 'ui-widget-header ui-corner-all',
       content: 'ui-widget-content'
   },
   width: {
       min:"300",
       max:"1000"
   }
};
